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[ide-mode] Send ping every 30 seconds to prevent client from closing connection (#4329)

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christine betts 2025-07-18 19:33:04 +00:00 committed by GitHub
parent 18c3bf3a42
commit d7041a6595
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1 changed files with 15 additions and 0 deletions
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15
packages/vscode-ide-companion/src/ide-server.ts
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@ -75,7 +75,22 @@ export class IDEServer {
transports[newSessionId] = transport; transports[newSessionId] = transport;
}, },
}); });
const keepAlive = setInterval(() => {
try {
transport.send({ jsonrpc: '2.0', method: 'ping' });
} catch (e) {
// If sending a ping fails, the connection is likely broken.
// Log the error and clear the interval to prevent further attempts.
this.logger.append(
'Failed to send keep-alive ping, cleaning up interval.' + e,
);
clearInterval(keepAlive);
}
}, 60000); // Send ping every 60 seconds
transport.onclose = () => { transport.onclose = () => {
clearInterval(keepAlive);
if (transport.sessionId) { if (transport.sessionId) {
this.logger.appendLine(`Session closed: ${transport.sessionId}`); this.logger.appendLine(`Session closed: ${transport.sessionId}`);
sessionsWithInitialNotification.delete(transport.sessionId); sessionsWithInitialNotification.delete(transport.sessionId);